The Murr Elektronik 7000-08101-2211000 is a starter-controller monitoring relay. It is a single-phase monitoring relay ideal for preventing dangerous conditions that can cause machine downtimes. It can be used to protect motors in single-phase applications, and is equipped with a variety of features, including a current-time dial and three alarm thresholds. The relay also has an LED display and an audible alarm. It can also be used to monitor voltage, current, frequency, and contactor position.